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All results from a given calculation for H2SeO4 (Selenic acid)

using model chemistry: M06-2X/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-2703.647579
Energy at 298.15K-2703.650174
HF Energy-2703.647579
Nuclear repulsion energy458.212409
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at M06-2X/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3806 3638 41.40      
2 A 1095 1047 95.82      
3 A 1018 973 55.27      
4 A 763 729 76.94      
5 A 384 367 76.35      
6 A 342 327 9.83      
7 A 282 269 3.52      
8 A 186 178 84.29      
9 B 3802 3634 302.51      
10 B 1148 1097 164.49      
11 B 1077 1030 79.09      
12 B 769 735 160.13      
13 B 387 369 80.80      
14 B 355 339 37.45      
15 B 284 272 48.05      

Unscaled Zero Point Vibrational Energy (zpe) 7849.3 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 7501.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at M06-2X/aug-cc-pVTZ
ABC
0.14375 0.13628 0.13336

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.124
O2 0.000 1.406 0.851
O3 0.000 -1.406 0.851
O4 1.324 0.006 -0.978
O5 -1.324 -0.006 -0.978
H6 1.637 -0.902 -1.096
H7 -1.637 0.902 -1.096

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.58291.58291.72271.72272.23192.2319
O21.58292.81282.65642.66293.43472.5925
O31.58292.81282.66292.65642.59253.4347
O41.72272.65642.66292.64840.96793.0959
O51.72272.66292.65642.64843.09590.9679
H62.23193.43472.59250.96793.09593.7380
H72.23192.59253.43473.09590.96793.7380

picture of Selenic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 O4 H6 108.842 Se1 O5 H7 108.842
O2 Se1 O3 125.370 O2 Se1 O4 106.879
O2 Se1 O5 107.258 O3 Se1 O4 107.258
O3 Se1 O5 106.879 O4 Se1 O5 100.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.968      
2 O -0.736      
3 O -0.736      
4 O -0.526      
5 O -0.526      
6 H 0.278      
7 H 0.278      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.873 2.873
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.500 -5.978 0.000
y -5.978 -44.287 0.000
z 0.000 0.000 -42.018
Traceless
 xyz
x 6.652 -5.978 0.000
y -5.978 -5.028 0.000
z 0.000 0.000 -1.624
Polar
3z2-r2-3.248
x2-y27.787
xy-5.978
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.976 -0.264 0.000
y -0.264 6.557 0.000
z 0.000 0.000 5.916


<r2> (average value of r2) Å2
<r2> 122.051
(<r2>)1/2 11.048